<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>数据绑定</title>
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
  <div id="app">
      {{message}}<br/>
       <input type="text" v-model="message">

  </div>

<script>
    var app =new Vue({
      el:"#app",
        data: {
             message:'hello world',

        },

    });

</script>
</body>
</html>